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Subject[PATCH v2 14/27] staging: ccree: handle end of sg list gracefully
Date
If we are asked for number of entries of an offset bigger than the
sg list we should not crash.

Cc: stable@vger.kernel.org
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
---
drivers/staging/ccree/ssi_buffer_mgr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/ccree/ssi_buffer_mgr.c b/drivers/staging/ccree/ssi_buffer_mgr.c
index 13cb062..9e3f557 100644
--- a/drivers/staging/ccree/ssi_buffer_mgr.c
+++ b/drivers/staging/ccree/ssi_buffer_mgr.c
@@ -94,7 +94,7 @@ static unsigned int cc_get_sgl_nents(struct device *dev,
{
unsigned int nents = 0;

- while (nbytes) {
+ while (nbytes && sg_list) {
if (sg_list->length) {
nents++;
/* get the number of bytes in the last entry */
--
2.7.4
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